Home / 491,457,077.80-737,185,616.70-127,951,433.80

Finding the Fourth Proportional to 491,457,077.80, 737,185,616.70 and 127,951,433.80

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Solution

The fourth proportional to 491,457,077.80, 737,185,616.70 and 127,951,433.80 is: 191,927,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,457,077.80 : 737,185,616.70 = 127,951,433.80 : x
  2. Step 2: Convert to fraction form
    491,457,077.80/737,185,616.70 = 127,951,433.80/x
  3. Step 3: Cross multiply
    491,457,077.80x = 737,185,616.70 × 127,951,433.80
  4. Step 4: Simplify right side
    491,457,077.80x = 94,323,956,633,502,224
  5. Step 5: Solve for x
    x = 94,323,956,633,502,224/491,457,077.80
  6. Step 6: Final answer
    x = 191,927,150.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.